VulnerabilityModified
CVE-2020-8259
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the encryption keys.
HIGH 8.1EPSS 0.74%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the encryption keys.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.74% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-522
- Affected
- nextcloud/nextcloud server
- Source
- support@hackerone.com
References
- https://hackerone.com/reports/732431Exploit, Issue Tracking, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-041Broken Link, Vendor Advisory
- https://hackerone.com/reports/732431Exploit, Issue Tracking, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-041Broken Link, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.